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const http = require("node:http");
const fs = require("node:fs");
function akLogMessage(type, message)
{
console.log(type+": "+message);
}
const serverOptions = { keepAliveTimeout: 60000 };
function printRequest(req)
{
console.log(req.connection.remoteAddress);
console.log(req.headers);
console.log(req.method, req.url);
console.log('HTTP/' + req.httpVersion);
}
function respondError(res, errorMessage)
{
res.writeHead(404, { 'Content-Type': 'application/json'});
res.end(JSON.stringify({
error: errorMessage
}));
}
function respondJSON(res, hash)
{
test = /[0-9a-f]{128}/
if(test.test(hash))
{
var filename = '../hashes/' + hash;
var stat = fs.statSync(filename);
res.writeHead(200, { 'Content-Type': 'application/json', 'Content-Length': stat.size});
var readStream = fs.createReadStream(filename);
readStream.pipe(res);
}
else
{
respondError(res, 'Not found');
}
}
function testRootRoute(req, res)
{
notImplemented(req, res);
}
function testRoute(req, res)
{
respondError(res, "Mpla mpla");
}
function applicationRoutes(req, res, args)
{
if (args[4] === 'undefined')
{
respondError(res, 'Bye');
return;
}
switch(args[3])
{
case 'json': respondJSON(res, args[4]); break;
default: notImplemented(req, res);
}
}
// Audio returns
function respondOGG(res, hash)
{
test = /[0-9a-f]{128}/
if(test.test(hash))
{
var filename = '../hashes/' + hash;
var stat = fs.statSync(filename);
res.writeHead(200, { 'Content-Type': 'audio/ogg', 'Content-Length': stat.size});
var readStream = fs.createReadStream(filename);
readStream.pipe(res);
}
else
{
respondError(res, 'Not found');
}
}
function audioRoutes(req, res, args)
{
if (args.length < 4 || args[4] === '')
{
respondError(res, 'No hash');
return;
}
if (args.length < 3 || args[3] === '')
{
respondError(res, 'No filetype/extension');
return;
}
switch(args[3])
{
case 'ogg': respondOGG(res, args[4]); break;
default: notImplemented(req, res);
}
}
function getLatestList(req, res)
{
res.writeHead(200, { 'Content-Type': 'application/json'});
res.end(JSON.stringify(JSON.parse(fs.readFileSync('../hashes/list'))));
}
function getRoutes(req, res)
{
var args = req.url.split('/');
if (args[1] === 'v0' && args.length > 2 && args[2] !== ""){
switch(args[2])
{
case 'test': testRoute(req, res); break;
case 'list': getLatestList(req, res); break;
case 'application': applicationRoutes(req, res, args); break;
case 'audio': audioRoutes(req, res, args); break;
default: notImplemented(req, res);
}
}
else {
notImplemented(req, res);
}
}
function postRoutes(req, res)
{
switch(req.url)
{
default: notImplemented(req, res);
}
}
function notImplemented(req, res)
{
res.writeHead(404, { 'Content-Type': 'application/json'});
res.end(JSON.stringify({
url: req.url,
error: 'not implemented'
}));
}
function processMethod(req, res)
{
switch(req.method)
{
case 'GET': getRoutes(req, res); break;
case 'POST': postRoutes(req, res); break;
default: notImplemented(req, res);
}
}
function requestParser(req, res)
{
printRequest(req);
akLogMessage('INFO', `Incoming from [${req.connection.remoteAddress}]:${req.socket._peername.port} @ ${req.headers.host}${req.url}`);
res.setHeader('Access-Control-Allow-Origin', '*');
processMethod(req, res);
}
const server = http.createServer(serverOptions, requestParser);
server.listen(8010);
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